rasher@gaia:~/temp$ cat script
#!/bin/bash

TEMPDIR="./workdir"
THEMEDIR="."

find "$THEMEDIR" -name "*zip" |(while read zipfile; do
    echo $zipfile

    mkdir -p "$TEMPDIR";
    if [ ! -d "$TEMPDIR" ]; then
        echo "Error: $TEMPDIR doesn't exist and couldn't be created"
        exit 1
    fi

    unzip -d "$TEMPDIR" "$zipfile" "*wps" >/dev/null
    find "$TEMPDIR" -name "*.wps" |(while read wps; do
        result=`./checkwps "$wps"`
        echo "  $result: $wps"
    done)
    rm -rf "$TEMPDIR"
done)

rasher@gaia:~/temp$ ./script
./Barracuda.zip
  Failed parsing on line 47 : unexpected conditional char after token 55: "String '176'"
WPS parsing failure: ./workdir/.rockbox/wps/Barracuda.wps
./Black-White.zip
  WPS parsed OK: ./workdir/.rockbox/wps/black-white.wps
./acotil_for_girls.zip
  WPS parsed OK: ./workdir/.rockbox/wps/acotil_greenyellow.wps
  WPS parsed OK: ./workdir/.rockbox/wps/acotil_dustyrose2.wps
  WPS parsed OK: ./workdir/.rockbox/wps/acotil_lightblue.wps
  WPS parsed OK: ./workdir/.rockbox/wps/acotil_purple.wps
  WPS parsed OK: ./workdir/.rockbox/wps/acotil_pink.wps
  WPS parsed OK: ./workdir/.rockbox/wps/acotil_dustyrose.wps
  WPS parsed OK: ./workdir/.rockbox/wps/acotil_pinkfuchsia.wps
  WPS parsed OK: ./workdir/.rockbox/wps/acotil_greenblue.wps
  WPS parsed OK: ./workdir/.rockbox/wps/acotil_pinkblue.wps